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Samsung GX-20 vs Sony A7S II

Portability
58
Imaging
53
Features
52
Overall
52
Samsung GX-20 front
 
Sony Alpha A7S II front
Portability
68
Imaging
61
Features
76
Overall
67

Samsung GX-20 vs Sony A7S II Key Specs

Samsung GX-20
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 72mm
  • Introduced January 2008
  • Replaced the Samsung GX-10
Sony A7S II
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 627g - 127 x 96 x 60mm
  • Introduced October 2015
  • Older Model is Sony A7S
  • Renewed by Sony A7S III
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Samsung GX-20 vs Sony A7S II Overview

Lets look a bit more in depth at the Samsung GX-20 versus Sony A7S II, one being a Advanced DSLR and the latter is a Pro Mirrorless by manufacturers Samsung and Sony. There exists a sizeable gap among the resolutions of the GX-20 (15MP) and A7S II (12MP) and the GX-20 (APS-C) and A7S II (Full frame) come with different sensor sizing.

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The GX-20 was launched 8 years before the A7S II and that is a fairly large gap as far as camera technology is concerned. Both cameras come with different body type with the Samsung GX-20 being a Mid-size SLR camera and the Sony A7S II being a SLR-style mirrorless camera.

Before we go straight into a full comparison, below is a brief introduction of how the GX-20 scores against the A7S II in terms of portability, imaging, features and an overall rating.

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Reasons to pick Samsung GX-20 over the Sony A7S II

 GX-20 A7S II 

Reasons to pick Sony A7S II over the Samsung GX-20

 A7S II GX-20 
IntroducedOctober 2015January 2008Fresher by 93 months
Screen typeTiltingFixed Tilting screen
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution1229k230kSharper screen (+999k dot)

Common features in the Samsung GX-20 and Sony A7S II

 GX-20 A7S II 
Manually focus More accurate focusing
Selfie screen Missing selfie screen
Touch screen Neither features Touch screen

Samsung GX-20 vs Sony A7S II Physical Comparison

For anyone who is planning to carry your camera regularly, you will need to think about its weight and measurements. The Samsung GX-20 enjoys outside dimensions of 142mm x 101mm x 72mm (5.6" x 4.0" x 2.8") with a weight of 800 grams (1.76 lbs) and the Sony A7S II has proportions of 127mm x 96mm x 60mm (5.0" x 3.8" x 2.4") having a weight of 627 grams (1.38 lbs).

Check out the Samsung GX-20 versus Sony A7S II in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you choose at that time. Below is the front view physical size comparison of the GX-20 against the A7S II.

Samsung GX-20 vs Sony A7S II size comparison

Factoring in dimensions and weight, the portability score of the GX-20 and A7S II is 58 and 68 respectively.

Samsung GX-20 vs Sony A7S II top view buttons comparison

Samsung GX-20 vs Sony A7S II Sensor Comparison

More often than not, it is very hard to visualize the contrast in sensor sizing just by looking through specifications. The visual below may offer you a greater sense of the sensor dimensions in the GX-20 and A7S II.

To sum up, the 2 cameras have got different megapixel count and different sensor sizing. The GX-20 featuring a smaller sensor is going to make shooting bokeh more challenging and the Samsung GX-20 will result in extra detail utilizing its extra 3MP. Higher resolution will also help you crop pictures much more aggressively. The older GX-20 will be disadvantaged when it comes to sensor tech.

Samsung GX-20 vs Sony A7S II sensor size comparison

Samsung GX-20 vs Sony A7S II Screen and ViewFinder

Samsung GX-20 vs Sony A7S II Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Samsung GX-20 as a Portrait photography camera
Sony A7S II as a Portrait photography camera
71
focusing manually
good resolution (15MP)
sensor size is decent (APS-C)
saves RAW formats
68
has manual focus
great sensor size (Full frame)
has face detection focusing
delivers RAW files
low megapixels (12MP)
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Street Comparison

Samsung GX-20 Street photography info
Sony A7S II Street photography info
65
image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
environment proof
screen does not articulate
78
has a tilting screen
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
delivers RAW files
environment proofing
above average high ISO (102,400)
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Sports Comparison

Samsung GX-20 Sports photography factors
Sony A7S II Sports photography factors
68
image stabilization (Sensor based)
good resolution (15MP)
sensor size is decent (APS-C)
environment proof
sensor has phase detect auto focus
low frames per second (3.0 fps)
58
high shutter speed (1/8,000s)
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
has tracking autofocus
environment proofing
max frames per second low (5.0 frames per second)
low megapixels (12MP)
terrible battery life (370 CIPA)
doesn't have phase detect AF
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Travel Comparison

Samsung GX-20 Travel photography details
Sony A7S II Travel photography details
63
environment proof
good resolution (15MP)
has built in flash
doesn't contain selfie friendly display
49
environment proofing
terrible battery life (370 CIPA)
low megapixels (12MP)
does not offer selfie friendly display
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Landscape Comparison

Landscape photography with Samsung GX-20
Landscape photography with Sony A7S II
70
focusing manually
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
good resolution (15 megapixels)
sensor size is decent (APS-C)
saves RAW formats
environment proof
screen is small (2.7 inches)
71
has manual focus
interchangeable lenses (Sony E mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
above average high ISO (102,400)
delivers RAW files
environment proofing
low megapixels (12 megapixels)
terrible battery life (370 per charge)
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Vlogging Comparison

Vlogging with Samsung GX-20
Vlogging with Sony A7S II
9
lack of video recording
35
has image stabilization (Sensor based 5-axis)
has face detection focusing
video res high (3840 x 2160 pxls)
comes with external mic socket
does not offer selfie friendly display
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Samsung GX-20 vs Sony A7S II Specifications

Detailed spec comparison table for Samsung GX-20 and Sony A7S II
 Samsung GX-20Sony Alpha A7S II
General Information
Company Samsung Sony
Model Samsung GX-20 Sony Alpha A7S II
Category Advanced DSLR Pro Mirrorless
Introduced 2008-01-24 2015-10-12
Physical type Mid-size SLR SLR-style mirrorless
Sensor Information
Chip - Bionz X
Sensor type CMOS CMOS
Sensor size APS-C Full frame
Sensor dimensions 23.4 x 15.6mm 35.6 x 23.8mm
Sensor surface area 365.0mm² 847.3mm²
Sensor resolution 15 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio - 3:2 and 16:9
Highest Possible resolution 4688 x 3120 4240 x 2832
Maximum native ISO 3200 102400
Maximum enhanced ISO 6400 409600
Lowest native ISO 100 100
RAW pictures
Lowest enhanced ISO - 50
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 11 169
Lens
Lens mounting type Pentax KAF2 Sony E
Amount of lenses 151 121
Focal length multiplier 1.5 1
Screen
Display type Fixed Type Tilting
Display diagonal 2.7 inch 3 inch
Display resolution 230 thousand dots 1,229 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 95% 100%
Viewfinder magnification 0.64x 0.78x
Features
Minimum shutter speed 30s 30s
Fastest shutter speed 1/4000s 1/8000s
Continuous shutter rate 3.0 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash range 13.00 m (at ISO 100) no built-in flash
Flash modes Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless no built-in flash
Hot shoe
AE bracketing
White balance bracketing
Fastest flash synchronize 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 4K (3840 x 2160 @ 30p/24p [60-100Mbps]), Full HD (1920 x 1080 @ 120p/60p/60i/30p/24p [50-100Mbps]), 720p (30p [16Mbps])
Maximum video resolution None 3840x2160
Video data format - MPEG-4, AVCHD, XAVC S
Mic port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 800 grams (1.76 lbs) 627 grams (1.38 lbs)
Dimensions 142 x 101 x 72mm (5.6" x 4.0" x 2.8") 127 x 96 x 60mm (5.0" x 3.8" x 2.4")
DXO scores
DXO Overall score 68 85
DXO Color Depth score 23.1 23.6
DXO Dynamic range score 11.2 13.3
DXO Low light score 714 2993
Other
Battery life - 370 images
Type of battery - Battery Pack
Battery model - NP-FW50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature With downloadable app
Type of storage SD/MMC/SDHC card SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Card slots Single Single
Price at release $850 $2,767